Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896449 | Voice enhancement system and method | Allen Y. Tong | 1999-04-20 |
| 5592545 | Voice enhancement system and method | Helena S. Ho, Michael K. Pratt, Pong C. Lim | 1997-01-07 |
| 5471527 | Voice enhancement system and method | Helena S. Ho, Michael K. Pratt, Pong C. Lim | 1995-11-28 |
| 5327495 | Apparatus and method for controlling an echo canceler | Kishan Shenoi | 1994-07-05 |